Torque Converter

Torque Converter Lockup.

Why is TC locking important?

The biggest reasons are fuel economy and heat control. The TC is the car’s single biggest heat generating device besides the engine. The transmission will run significantly hotter if the TC doesn’t lock. Before listening to people that tell you it doesn’t matter read this article . . . → Read More: Torque Converter


Lockup Solenoid

The Fiero TCC (Transmission Solenoid Lockup)

by Chuck Kichline 7/10/2008

I found out that there wasn’t a lot of information on automatic transmissions for the Fiero on the web, and even worse, both the Haynes and Clymer manuals are weak on diagnosis and had NO information on repair.  It became very important to . . . → Read More: Lockup Solenoid